3(3.5-7.5k)=16.5

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Solution for 3(3.5-7.5k)=16.5 equation: 



3(3.5-7.5k)=16.5

We move all terms to the left:

3(3.5-7.5k)-(16.5)=0

We add all the numbers together, and all the variables

3(-7.5k+3.5)-(16.5)=0

We add all the numbers together, and all the variables

3(-7.5k+3.5)-16.5=0

We multiply parentheses

-21k+10.5-16.5=0

We add all the numbers together, and all the variables

-21k-6=0

We move all terms containing k to the left, all other terms to the right

-21k=6

k=6/-21

k=-2/7

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